package com.mxfcode.front.bbs_login.controller;

/**
 * 登录注册
 * @author moxiufeng
 * @date 2021/2/15 17:58
 */

import com.google.code.kaptcha.Producer;
import com.mxfcode.bbs_common.util.community.CommunityConstant;
import com.mxfcode.bbs_common.util.cookie.CookieUtil;
import com.mxfcode.common.HostHolder;
import com.mxfcode.front.bbs_login.mapper.LoginMapper;
import com.mxfcode.front.bbs_login.service.LoginService;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.mxfcode.entity.TSUser;
import javax.imageio.ImageIO;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Map;


@Controller
public class LoginController implements CommunityConstant {
    private static final Logger logger = LoggerFactory.getLogger(LoginController.class);

    @Autowired
    private LoginService loginService;
    @Autowired
    private Producer kaptchaProducer;
    @Autowired
    private LoginMapper loginTicketMapper;
    @Autowired
    private HostHolder hostHolder;

    @RequestMapping(path = "/register", method = RequestMethod.GET)
    public String getRegisterPage() {
        logger.info("============跳转注册界面============");
        return "register";
    }

    @RequestMapping(path = "/register", method = RequestMethod.POST)
    public String register(Model model, TSUser user) throws Exception {
        logger.info("============用户注册============");
        Map<String, Object> map = loginService.register(user);
        if(map == null || map.isEmpty()){
            model.addAttribute("msg","注册成功，w我们已经向您的QQ邮箱发送了一封激活邮件，请尽快激活！");
            model.addAttribute("target","/login");
            return "operate-result";
        }
        model.addAttribute("errorMsg",map.get("errorMsg"));
        return "register";
    }

    @RequestMapping(path = "/login", method = RequestMethod.GET)
    public String getLoginPage() {
        logger.info("============跳转登录界面============");
        return "login";
    }
    @RequestMapping(path = "/login2", method = RequestMethod.GET)
    public String getLoginPage2() {
        logger.info("============跳转登录界面============");
        return "login";
    }

    // http://localhost:8080/activation/id/code
    @RequestMapping(path = "/activation/{userId}/{code}", method = RequestMethod.GET)
    public String activation(Model model, @PathVariable("userId") String userId, @PathVariable("code") String code) {
        int result = loginService.activation(userId, code);
        if (result == ACTIVATION_SUCCESS) {
            model.addAttribute("msg", "激活成功,您的账号已经可以正常使用了!");
            model.addAttribute("target", "/login");
        } else if (result == ACTIVATION_REPEAT) {
            model.addAttribute("msg", "无效操作,该账号已经激活过了!");
            model.addAttribute("target", "/index");
        } else {
            model.addAttribute("msg", "激活失败,您提供的激活码不正确!");
            model.addAttribute("target", "/index");
        }
        return "operate-result";
    }

    @RequestMapping(path = "/kaptcha", method = RequestMethod.GET)
    public void getKaptcha(HttpServletResponse response, HttpSession session) {
        // 生成验证码,生成一个4位数的字段
        String text = kaptchaProducer.createText();
        BufferedImage image = kaptchaProducer.createImage(text);

        // 将验证码存入session
        session.setAttribute("kaptcha", "1");

        // 验证码的归属
       /* String kaptchaOwner = CommunityUtil.generateUUID();
        Cookie cookie = new Cookie("kaptchaOwner", kaptchaOwner);
        cookie.setMaxAge(60);
        cookie.setPath(contextPath);
        response.addCookie(cookie);*/
        // 将验证码存入Redis
       /* String redisKey = RedisKeyUtil.getKaptchaKey(kaptchaOwner);
        redisTemplate.opsForValue().set(redisKey, text, 60, TimeUnit.SECONDS);*/

        // 将突图片输出给浏览器
        response.setContentType("image/png");
        try {
            OutputStream os = response.getOutputStream();
            ImageIO.write(image, "png", os);
        } catch (IOException e) {
            logger.error("响应验证码失败:" + e.getMessage());
        }
    }

    @RequestMapping(path = "/login", method = RequestMethod.POST)
    public String login(String userName, String password, String code, boolean rememberMe,
                        Model model, HttpSession session, HttpServletResponse response/*,
                        @CookieValue("kaptchaOwner") String kaptchaOwner*/) {
        // 检查验证码
         String kaptcha = (String) session.getAttribute("kaptcha");
     /*  String kaptcha = null;
       if (StringUtils.isNotBlank(kaptchaOwner)) {
            String redisKey = RedisKeyUtil.getKaptchaKey(kaptchaOwner);
            kaptcha = (String) redisTemplate.opsForValue().get(redisKey);
        }*/

        if (StringUtils.isBlank(kaptcha) || StringUtils.isBlank(code) || !kaptcha.equalsIgnoreCase(code)) {
            model.addAttribute("codeMsg", "验证码不正确!");
            return "login";
        }

        // 检查账号,密码
        int expiredSeconds = rememberMe ? REMEMBER_EXPIRED_SECONDS : DEFAULT_EXPIRED_SECONDS;
        Map<String, Object> map = null;
        try {
            map = loginService.login(userName, password, expiredSeconds);
        } catch (Exception e) {
            e.printStackTrace();
        }
        //如果包含了ticket，证明登录成功
        if (map != null && map.containsKey("ticket")) {
            Cookie cookie = new Cookie("ticket", map.get("ticket").toString());
//            cookie.setPath(contextPath);
            cookie.setMaxAge(expiredSeconds);
            response.addCookie(cookie);
            return "redirect:/article/list";
        } else {
            model.addAttribute("usernameMsg", map.get("usernameMsg"));
            model.addAttribute("passwordMsg", map.get("passwordMsg"));
            return "login";
        }
    }

    /**
     * 退出登录
     * @param request
     */
    @RequestMapping(path = "/logout", method = RequestMethod.GET)
    public String logout(HttpServletRequest request) {
        String ticket = CookieUtil.getValue(request,"ticket");
        loginTicketMapper.updateStatus(ticket, 1);
        return "redirect:/login";
        /*String redisKey = RedisKeyUtil.getTicketKey(ticket);
        LoginTicket loginTicket = (LoginTicket) redisTemplate.opsForValue().get(redisKey);
        loginTicket.setStatus(1);
        redisTemplate.opsForValue().set(redisKey, loginTicket);*/
    }

    @RequestMapping(path = "/article", method = RequestMethod.GET)
    public String goArticlePage() {
        logger.info("============跳转论坛博文列表界面============");
        return "article";
    }
    @RequestMapping(path = "/index", method = RequestMethod.GET)
    public String goIndexPage() {
        logger.info("============跳转论坛首页============");
        return "index";
    }

}
